Children in employment, study and work, male (% of male children in employment, ages 7-14). Children in employment, work only, female (% of female children in employment, ages 7-14). Children in employment, work only, male (% of male children in employment, ages 7-14). Labor force participation rate, female (% of female population ages 15+) (modeled ILO estimate).
Follow these steps: 1  Go to the Date calculator (new window) which can calculate the birth date. 2  In the Enter date to add or subtract from fields, enter the death date. 3  In the Add or subtract... fields, choose Subtract and enter the age at death in the Years, Months, Days fields.  Click on Calculate new date!.
Calculating Conception. Gestational age, or the age of the baby, is calculated from the first day of the motherâs last menstrual period. Since the exact date of conception is almost never known, the first day of the last menstrual period is used to measure how old the baby is.Use our Pregnancy Calculator to calculate these dates for you.or a woman with a regular period, conception typically occurs about 11-21 days after the first day of the last period. Most women do not know the exact date of conception because it can be challenging to know exactly when ovulation occurs.